Darwin L Gwin, 56511 Stuart Lake Rd, Marshall, MI 49068
Darwin Gwin Phones & Addresses
511 Stuart Lake Rd, Marshall, MI 49068 269-7819956
11530 18 1/2 Mile Rd, Marshall, MI 49068 269-7819956
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Us Patents
Supercharger Vent
US Patent:
5281116, Jan 25, 1994
Filed:
Jan 29, 1993
Appl. No.:
8/010722
Inventors:
Darwin L. Gwin - Marshall MI
Assignee:
Eaton Corporation - Cleveland OH
International Classification:
F04C 1816
F04C 2902
F04C 2902
US Classification:
418 94
Abstract:
An intake manifold (18) of an engine (10) includes a Roots-type supercharger (26) having rotors (28,29) driven by timing gears (72,74) disposed in a gear chamber (62) having a self contained oil supply and vent 98. The vent is formed in an input drive shaft (52) of the supercharger. The vent embodiments of FIGS. 2-4 include a radially extending passage opening into gear chamber (62) and effective to sling oil mist back into the gear chamber.
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